msm: HTC: ville: Update board files for MHL support

Code imported from villeu-jb-crc-3.4.10-c156855

Change-Id: I8add9bc7bb0fa437045617766b68fba222d6bddf
msm: HTC: disable board panel power on function

Change-Id: Ieb86aaa76cf232d58babdc091d543e21b1fcd635
msm_fb: hdmi: Import HTC hdmi stack

Use HTC version of external_common.c hdmi_msm.c
Original code from jewelcl-jb-crc-3.4.10-cl124461-6

Change-Id: Ib9f7113ab43ed9eab3cb379ef876555d8284bb4a